Effect of changing the height of final step of the stepped chute on the flow profile in stilling basin using the VOF method
| Autor: | Hamid Reza Vosoughifar, Peyman Pazooki, Amirmasoud Hamedi, Mohammadamin Torabi, Seyedmohammadjavad Zeidi |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Reynolds stress model
0208 environmental biotechnology 02 engineering and technology Reynolds stress Computational fluid dynamics 01 natural sciences Physics::Fluid Dynamics lcsh:Water supply for domestic and industrial purposes 0103 physical sciences Volume of fluid method 010306 general physics Navier–Stokes equations Water Science and Technology lcsh:TD201-500 Finite volume method Turbulence business.industry Mechanics 020801 environmental engineering Flow (mathematics) Flow velocity Stilling basin business CFD Sensitivity analysis Navier–stokes equations Geology Turbulence models |
| Zdroj: | Applied Water Science, Vol 10, Iss 7, Pp 1-9 (2020) |
| ISSN: | 2190-5495 2190-5487 |
| DOI: | 10.1007/s13201-020-01262-8 |
| Popis: | In this study, the effect of the geometry modification in the physical model (step height) on flow factors in the stilling basin is investigated numerically. The Navier–Stokes equations were used to solve the flow field; the Reynolds stress turbulence model was used to model Reynolds stresses, and the volume of fluid method was used to determine the surface flow profile. Momentum and turbulence equations have been solved by the finite volume method. The results indicate that when the height of the steps in the stilling basin increases, the flow depth increases, and eventually the flow velocity decreases. When the height of the steps decreases, the flow velocity increases, and the flow depth decreases. The results of the numerical model are in good enough agreement with experimental results. |
| Databáze: | OpenAIRE |
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